640200283 has 2 divisors, whose sum is σ = 640200284. Its totient is φ = 640200282.

The previous prime is 640200277. The next prime is 640200289. The reversal of 640200283 is 382002046.

It is a happy number.

640200283 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (640200277) and next prime (640200289).

It is a cyclic number.

It is not a de Polignac number, because 640200283 - 2²⁹ = 103329371 is a prime.

It is not a weakly prime, because it can be changed into another prime (640200289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 320100141 + 320100142.

It is an arithmetic number, because the mean of its divisors is an integer number (320100142).

Almost surely, 2^640200283 is an apocalyptic number.

640200283 is a deficient number, since it is larger than the sum of its proper divisors (1).

640200283 is an equidigital number, since it uses as much as digits as its factorization.

640200283 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 640200283 is about 25302.1794120586. The cubic root of 640200283 is about 861.8637617710.

The spelling of 640200283 in words is "six hundred forty million, two hundred thousand, two hundred eighty-three".